Fill in the blank
My hair is a mess! I _____ (look) in the mirror before I went out.
My hair is a mess! I SHOULD'VE LOOKED in the mirror before I went out.
Events that were possible in the past but didn't happen.
could have
1) do 2) meet
1) done 2) met
I decided to study, even though I _____ (go) to the beach with my friends.
I decided to study, even though I COULD'VE GONE to the beach with my friends.
A good idea to do something in the past, but you didn't do it.
should have
1) go 2) drink
1) gone 2) drunk
I'm studying History at university, but if I'd got higher marks at school, I _____ (choose) Vet Science instead.
I'm studying History at university, but if I'd got higher marks at school, I WOULD'VE CHOSEN Vet Science instead.
Imagining something in the past that didn't happen (positive form).
would have
1) eat 2) begin 3) come
1) eaten 2) begun 3) come
Dean _____ (drive) home after the party last night. He drank too much alcohol.
Dean SHOULDN'T HAVE DRIVEN home after the party last night. He drank too much alcohol.
A bad idea to do something in the past, but you did it.
shouldn't have
1) throw 2) wear 3) wake
If I'd known you were asleep, I _____ (call) you so early this morning.
If I'd known you were asleep, I WOULDN'T HAVE CALLED you so early this morning.
Imagining something in the past that didn't happen (negative form).
wouldn't have
1) freeze 2) fly 3) keep
1) frozen 2) flown 3) kept